package com.lagou.service;

import com.lagou.handler.UserServiceHandler;
import com.lagou.pojo.RpcRequest;
import com.lagou.util.JSONSerializer;
import com.lagou.util.RpcDecoder;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.nio.NioServerSocketChannel;
import io.netty.channel.socket.nio.NioSocketChannel;
import io.netty.handler.codec.string.StringEncoder;

public class BaseService {
    /**
     * 启动服务器
     * @param ip
     * @param port
     */
    public static void startService(String ip, String port) throws InterruptedException {
        // 1、创建两个线程池对象。
        NioEventLoopGroup bossGroup = new NioEventLoopGroup();
        NioEventLoopGroup workGroup = new NioEventLoopGroup();

        // 2、创建服务端的启动引导对象
        ServerBootstrap serverBootstrap = new ServerBootstrap();

        // 3、配置启动引导对象
        serverBootstrap.group(bossGroup, workGroup)
                // 设置通道为NIO
                .channel(NioServerSocketChannel.class)
                // 创建监听channel
                .childHandler(new ChannelInitializer<NioSocketChannel>() {
                    protected void initChannel(NioSocketChannel nioSocketChannel) throws Exception {
                        // 获取管道对象
                        ChannelPipeline pipeline = nioSocketChannel.pipeline();
                        // 给管道对象pipeline设置编码
                        pipeline.addLast(new StringEncoder());
                        pipeline.addLast(new RpcDecoder(RpcRequest.class, new JSONSerializer()));
                        // 把我们自定义的channelHandler添加到通道中
                        pipeline.addLast(new UserServiceHandler());
                    }
                });

        // 4、绑定端口
        serverBootstrap.bind(ip, Integer.parseInt(port)).sync();
    }
}
